Figure 4

Relationship between 3-CGA concentration (mg/L brewed coffee) and antioxidant activity (mmol equivalent Trolox/L brewed coffee) for hot and cold brew coffees from the six regional coffee samples.

Relationship between 3-CGA concentration (mg/L brewed coffee) and antioxidant activity (mmol equivalent Trolox/L brewed coffee) for hot and cold brew coffees from the six regional coffee samples.